—This bag is perfect. Miss, how much does it cost?
—________, but I don’t work here

1. A.
   I don’t know
2. B.
   I’m sorry
3. C.
   Maybe very dear
4. D.
   You can’t afford it

—This bag is perfect. Miss, how much does it cost?

   —________, but I don’t work here.

　A.I don’t know       B. I’m sorry     C. Maybe very dear        D. You can’t afford it